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970306489 = 2851340339
BaseRepresentation
bin111001110101011…
…011001110111001
32111121210200021101
4321311123032321
53441344301424
6240141011401
733021316615
oct7165331671
92447720241
10970306489
11458792699
12230b53b61
13126041869
1492c1c345
155a2b8344
hex39d5b3b9

970306489 has 4 divisors (see below), whose sum is σ = 970649680. Its totient is φ = 969963300.

The previous prime is 970306487. The next prime is 970306523. The reversal of 970306489 is 984603079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 970306489 - 21 = 970306487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970306483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167319 + ... + 173020.

It is an arithmetic number, because the mean of its divisors is an integer number (242662420).

Almost surely, 2970306489 is an apocalyptic number.

It is an amenable number.

970306489 is a deficient number, since it is larger than the sum of its proper divisors (343191).

970306489 is a wasteful number, since it uses less digits than its factorization.

970306489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343190.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 970306489 is about 31149.7430005450. The cubic root of 970306489 is about 990.0025470125.

The spelling of 970306489 in words is "nine hundred seventy million, three hundred six thousand, four hundred eighty-nine".

Divisors: 1 2851 340339 970306489